/* ==========================================================================
   ENTERPRISE DESIGN SYSTEM - REPORT REVIEW PORTAL
   Designed for Fortune 500 Enterprise SaaS Performance & Elegance
   Inspired by Stripe Dashboard, Linear, GitHub Enterprise & Vercel
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. DESIGN TOKENS & BASE CONFIGURATION
   -------------------------------------------------------------------------- */
:root {
  /* Enterprise Color Palette (#001123 Deep Navy Design System) */
  --primary-color: #001123;
  --primary-hover: #001f3f;
  --primary-light: #E6EFF8;
  
  --success-color: #16A34A;
  --success-hover: #15803D;
  --success-light: #F0FDF4;
  
  --danger-color: #DC2626;
  --danger-hover: #B91C1C;
  --danger-light: #FEF2F2;
  
  --warning-color: #F59E0B;
  --warning-hover: #D97706;
  --warning-light: #FFFBEB;

  --background-color: #F8FAFC;
  --sidebar-color: #001123;
  --card-color: #FFFFFF;
  
  --border-color: #E2E8F0;
  --border-hover: #CBD5E1;
  
  --text-primary: #001123;
  --text-secondary: #334155;
  --text-tertiary: #64748B;
  --text-on-primary: #FFFFFF;
  
  --hover-color: #F1F5F9;
  --focus-ring: rgba(0, 17, 35, 0.25);

  /* Typography Scale (Strict 8-Tier Specification) */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  --font-size-hero: 34px;
  --font-size-title: 28px;
  --font-size-section: 22px;
  --font-size-card: 18px;
  --font-size-body: 16px;
  --font-size-secondary: 14px;
  --font-size-table: 13px;
  --font-size-label: 11px;

  /* Backward Compatibility Font Variable Aliases */
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-md: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 28px;

  /* Font Weights */
  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  /* Layout Geometry & 8px Spacing Grid System */
  --space-8px: 8px;
  --space-16px: 16px;
  --space-24px: 24px;
  --space-32px: 32px;
  --space-40px: 40px;
  --space-48px: 48px;
  --space-64px: 64px;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 40px;
  --space-6: 48px;
  --space-8: 64px;

  --sidebar-width: 260px;
  --topbar-height: 64px;
  --max-content-width: 1440px;

  --border-radius-sm: 6px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-card: 16px;
  --border-radius-pill: 9999px;

  /* Soft Border & Elevation Shadows */
  --shadow-subtle: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
  --shadow-card: 0 1px 3px 0 rgba(0, 0, 0, 0.04), 0 1px 2px -1px rgba(0, 0, 0, 0.02);
  --shadow-dropdown: 0 4px 6px -1px rgba(0, 0, 0, 0.06), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-modal: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);

  /* Performance Motion Tuning (Max 200ms) */
  --transition-speed: 150ms;
  --transition-ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* --------------------------------------------------------------------------
   2. RESETS & GLOBAL TYPOGRAPHY
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-body);
  font-weight: var(--weight-normal);
  color: var(--text-primary);
  background-color: var(--background-color);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.015em;
  line-height: 1.25;
}

h1 { font-size: var(--font-size-title); }
h2 { font-size: var(--font-size-section); }
h3 { font-size: var(--font-size-card); }

p {
  color: var(--text-secondary);
  line-height: 1.5;
}

input, button, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition-speed) var(--transition-ease);
}

a:hover {
  color: var(--primary-hover);
  text-decoration: none;
}

/* Visible Keyboard Focus Ring */
*:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
  box-shadow: 0 0 0 3px var(--focus-ring);
}

/* Skip Link for Accessibility */
.skip-link {
  position: absolute;
  top: -48px;
  left: 16px;
  background: var(--primary-color);
  color: var(--text-on-primary);
  padding: 8px 16px;
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-secondary);
  font-weight: var(--weight-medium);
  z-index: 9999;
  transition: top var(--transition-speed) var(--transition-ease);
}

.skip-link:focus {
  top: 16px;
}

/* --------------------------------------------------------------------------
   3. AUTHENTICATION PAGES (LOGIN / REGISTER)
   -------------------------------------------------------------------------- */
.login-page-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--space-32px) var(--space-16px);
  background-color: var(--background-color);
}

.login-card-container {
  width: 100%;
  max-width: 440px;
}

.login-card {
  background: var(--card-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-card);
  padding: var(--space-32px);
  box-shadow: var(--shadow-modal);
}

.login-header {
  text-align: center;
  margin-bottom: var(--space-24px);
}

.login-logo,
.login-logo-wrapper {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-16px);
}

.login-logo-img {
  width: auto;
  height: 110px;
  max-width: 320px;
  border-radius: var(--border-radius-lg);
  object-fit: contain;
  box-shadow: 0 8px 24px rgba(0, 17, 35, 0.25), 0 0 20px rgba(56, 189, 248, 0.2);
  border: 1px solid rgba(0, 17, 35, 0.15);
  background-color: #001123;
  padding: 6px 12px;
  transition: transform var(--transition-speed) var(--transition-ease), box-shadow var(--transition-speed) var(--transition-ease);
}

.login-logo-img-wide {
  max-height: 48px;
  max-width: 220px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.08));
  transition: transform var(--transition-speed) var(--transition-ease);
}

.login-logo-wrapper:hover .login-logo-img,
.login-logo-wrapper:hover .login-logo-img-wide {
  transform: none;
}

.login-title {
  font-size: var(--font-size-section);
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.login-subtitle {
  color: var(--text-secondary);
  font-size: var(--font-size-secondary);
}

.login-form .form-group {
  margin-bottom: 20px;
}

.login-footer {
  text-align: center;
  margin-top: var(--space-32px);
}

.login-footer-text {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
}

/* --------------------------------------------------------------------------
   4. APPLICATION SHELL & SIDEBAR NAVIGATION
   -------------------------------------------------------------------------- */
.app-layout {
  display: flex;
  min-height: 100vh;
  background-color: var(--background-color);
}

/* Fixed Left Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background-color: #001123;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 50;
  transition: transform var(--transition-speed) var(--transition-ease);
}

.sidebar-header {
  min-height: 140px;
  height: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 8px;
  background-color: #001123;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
  position: relative;
}

.logo-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-decoration: none;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}

.logo-brand-img {
  height: 110px;
  width: auto;
  max-width: 236px;
  border-radius: 12px;
  object-fit: contain;
  flex-shrink: 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4), 0 0 16px rgba(56, 189, 248, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: transform var(--transition-speed) var(--transition-ease), box-shadow var(--transition-speed) var(--transition-ease), border-color var(--transition-speed) var(--transition-ease);
}

.logo-brand-img-wide {
  max-height: 26px !important;
  max-width: 130px !important;
  width: auto !important;
  height: auto !important;
  object-fit: contain;
  flex-shrink: 0;
  display: block;
  transition: transform var(--transition-speed) var(--transition-ease);
}

.logo-container:hover .logo-brand-img {
  transform: none;
}

.logo-icon {
  flex-shrink: 0;
  color: #94A3B8;
}

.logo-text {
  font-weight: var(--weight-bold);
  font-size: var(--font-size-body);
  letter-spacing: -0.02em;
  color: #FFFFFF;
  transition: color var(--transition-speed) var(--transition-ease);
}

.logo-container:hover .logo-text {
  color: #94A3B8;
}

.drawer-close {
  display: none;
  color: rgba(255, 255, 255, 0.8);
  padding: 4px;
  border-radius: var(--border-radius-sm);
  transition: color var(--transition-speed), background-color var(--transition-speed);
}

.drawer-close:hover {
  color: #FFFFFF;
  background-color: rgba(255, 255, 255, 0.15);
}

.sidebar-nav {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  padding: var(--space-16px) 0;
  overflow-y: auto;
}

.nav-list {
  list-style: none;
  padding: 0 12px;
}

.nav-item {
  margin-bottom: 2px;
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px var(--space-16px);
  color: rgba(255, 255, 255, 0.85);
  border-radius: var(--border-radius-md);
  font-weight: var(--weight-medium);
  font-size: var(--font-size-secondary);
  position: relative;
  transition: background-color var(--transition-speed) var(--transition-ease), color var(--transition-speed) var(--transition-ease);
}

.nav-link:hover {
  background-color: rgba(255, 255, 255, 0.14);
  color: #FFFFFF;
  text-decoration: none;
}

/* Active Navigation Item (Glowing Purple Pill + Left Indicator) */
.nav-link.active {
  background-color: #0a2540 !important;
  color: #FFFFFF !important;
  font-weight: var(--weight-semibold) !important;
  border-left: 4px solid #38BDF8 !important;
  border-top-left-radius: 2px !important;
  border-bottom-left-radius: 2px !important;
  padding-left: 13px !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.nav-icon {
  flex-shrink: 0;
  transition: transform var(--transition-speed);
}

.nav-link:hover .nav-icon {
  transform: translateX(1px);
}

.sidebar-divider {
  height: 1px;
  background-color: rgba(255, 255, 255, 0.15);
  margin: var(--space-16px) var(--space-16px);
}

.logout-nav {
  margin-top: auto;
}

.logout-link {
  color: rgba(255, 255, 255, 0.85);
}

.logout-link:hover {
  background-color: rgba(220, 38, 38, 0.25);
  color: #FECACA;
}

.logout-link:hover .nav-icon {
  color: var(--danger-color);
}

.sidebar-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(17, 24, 39, 0.4);
  z-index: 40;
  opacity: 0;
  transition: opacity var(--transition-speed) var(--transition-ease);
}

/* Main Content Shell */
.main-shell {
  flex-grow: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* --------------------------------------------------------------------------
   5. STICKY TOP NAVIGATION BAR (Search, Date, Notifications, Theme, Profile)
   -------------------------------------------------------------------------- */
.topbar {
  height: var(--topbar-height);
  background-color: #001123;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-32px);
  position: sticky;
  top: 0;
  z-index: 30;
  box-shadow: 0 4px 14px rgba(0, 17, 35, 0.3);
}

.drawer-toggle {
  display: none;
  color: #CBD5E1;
  padding: 6px;
  border-radius: var(--border-radius-sm);
}

.drawer-toggle:hover {
  color: #FFFFFF;
  background-color: rgba(255, 255, 255, 0.15);
}

.topbar-left {
  display: flex;
  align-items: center;
}

.topbar-breadcrumb {
  font-weight: var(--weight-semibold);
  font-size: var(--font-size-card);
  color: #FFFFFF;
  letter-spacing: -0.01em;
}

.topbar-center {
  flex-grow: 1;
  max-width: 380px;
  margin: 0 var(--space-24px);
}

.topbar-search {
  position: relative;
  width: 100%;
}

.topbar-search .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255, 255, 255, 0.6);
  pointer-events: none;
}

.topbar-search-input {
  width: 100%;
  padding: 7px 12px 7px 36px;
  background-color: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-secondary);
  color: #FFFFFF;
  transition: background-color var(--transition-speed), border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.topbar-search-input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.topbar-search-input:focus {
  outline: none;
  background-color: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.15);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-16px);
}

.topbar-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--font-size-xs);
  color: #CBD5E1;
  font-weight: var(--weight-medium);
  background-color: rgba(255, 255, 255, 0.12);
  padding: 6px 12px;
  border-radius: var(--border-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.topbar-action-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius-md);
  color: #CBD5E1;
  background-color: transparent;
  border: 1px solid transparent;
  transition: background-color var(--transition-speed), color var(--transition-speed), border-color var(--transition-speed);
}

.topbar-action-btn:hover {
  background-color: rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.2);
}

.notification-dot {
  position: absolute;
  top: 7px;
  right: 7px;
  width: 7px;
  height: 7px;
  background-color: var(--danger-color);
  border-radius: 50%;
  border: 1.5px solid #001123;
}

.user-menu {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-meta {
  text-align: right;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.user-display-name {
  font-weight: var(--weight-semibold);
  font-size: var(--font-size-secondary);
  color: #FFFFFF;
  line-height: 1.2;
}

.user-display-role {
  font-size: var(--font-size-xs);
  color: #94A3B8;
  margin-top: 2px;
}

.user-avatar-link {
  display: inline-flex;
  border-radius: 50%;
  padding: 2px;
  transition: transform var(--transition-speed);
}

.user-avatar-link:hover {
  transform: scale(1.04);
}

.avatar-img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-color);
}

.avatar-fallback {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--primary-light);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--weight-bold);
  font-size: var(--font-size-secondary);
  border: 1px solid var(--border-color);
}

.page-content {
  flex-grow: 1;
  padding: var(--space-32px);
  overflow-y: auto;
}

.page-container {
  width: 100%;
  max-width: var(--max-content-width);
  margin: 0 auto;
}

/* --------------------------------------------------------------------------
   6. PAGE HEADERS & ENTERPRISE KPI CARDS
   -------------------------------------------------------------------------- */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-32px);
  gap: var(--space-16px);
  flex-wrap: wrap;
}

.page-title-group h2 {
  font-size: var(--font-size-title);
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.page-title-group p {
  font-size: var(--font-size-secondary);
  color: var(--text-secondary);
  margin-top: 4px;
}

/* Dashboard Metric Stat Cards Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: var(--space-16px);
  margin-bottom: var(--space-24px);
}

.stat-card {
  background: var(--card-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-card);
  padding: 20px var(--space-20px, 20px);
  display: flex;
  align-items: center;
  gap: var(--space-16px);
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition-speed) var(--transition-ease), box-shadow var(--transition-speed) var(--transition-ease);
}

.stat-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.04);
}

/* Enterprise Neutral Monochrome Icon Wrappers (Non-Flashy KPI Cards) */
.stat-icon-wrapper {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background-color: var(--background-color) !important;
  color: var(--text-primary) !important;
  border: 1px solid var(--border-color);
}

.stat-icon-wrapper.blue { color: var(--primary-color) !important; }
.stat-icon-wrapper.green { color: var(--success-color) !important; }
.stat-icon-wrapper.red { color: var(--danger-color) !important; }
.stat-icon-wrapper.orange { color: var(--warning-hover) !important; }

.stat-meta {
  display: flex;
  flex-direction: column;
}

.stat-label {
  font-size: var(--font-size-label);
  color: var(--text-secondary);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-value {
  font-size: var(--font-size-title);
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  line-height: 1.1;
  margin-top: 4px;
  letter-spacing: -0.02em;
}

/* Structural Layout Grids */
.section-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-24px);
  align-items: start;
}

@media (max-width: 1024px) {
  .section-grid {
    grid-template-columns: 1fr;
  }
}

/* Content Container Cards */
.card {
  background: var(--card-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-card);
  margin-bottom: var(--space-24px);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: border-color var(--transition-speed) var(--transition-ease);
}

.card:hover {
  border-color: var(--border-hover);
}

.card-header {
  padding: var(--space-16px) var(--space-24px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #001123;
  color: #FFFFFF;
}

.card-title {
  font-size: var(--font-size-card);
  font-weight: var(--weight-bold);
  color: #FFFFFF !important;
  letter-spacing: -0.01em;
}

.card-header span,
.card-header p,
.card-header small {
  color: #FFFFFF !important;
}

.card-header .btn,
.card-header .btn-secondary,
.card-header a.btn {
  color: #111827 !important;
  background-color: #FFFFFF !important;
  border: 1px solid #E5E7EB !important;
  font-weight: 600 !important;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.card-header .btn:hover,
.card-header .btn-secondary:hover,
.card-header a.btn:hover {
  background-color: #F3F4F6 !important;
  color: #000000 !important;
}

.card-body {
  padding: var(--space-24px);
}

/* --------------------------------------------------------------------------
   7. DATA TABLES, FILTERS & STATUS BADGES
   -------------------------------------------------------------------------- */
.table-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-16px);
  padding: var(--space-16px) var(--space-24px);
  background-color: #001123;
  color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-bottom: none;
  border-top-left-radius: var(--border-radius-card);
  border-top-right-radius: var(--border-radius-card);
  flex-wrap: wrap;
}

.table-filters {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.search-input-wrapper {
  position: relative;
  max-width: 320px;
  width: 100%;
}

.search-icon {
  position: absolute;
  top: 50%;
  left: 12px;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  pointer-events: none;
}

.search-input-wrapper .form-input {
  padding-left: 38px;
}

.filter-select,
.form-select {
  display: inline-flex;
  align-items: center;
  height: 38px;
  padding: 8px 36px 8px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  background-color: #FFFFFF;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23334155' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 16px 16px;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  font-size: var(--font-size-secondary);
  color: var(--text-primary);
  font-weight: var(--weight-medium);
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.filter-select:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.table-wrapper {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-card);
  overflow-x: auto;
  background-color: #FFFFFF;
  box-shadow: var(--shadow-card);
}

/* Remove top corner radii when control bar sits above table */
.table-controls + .table-wrapper {
  border-top-left-radius: 0;
  border-top-right-radius: 0;
  border-top: none;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: var(--font-size-table);
}

.data-table th {
  background-color: #F9FAFB;
  color: var(--text-secondary);
  font-weight: var(--weight-semibold);
  font-size: var(--font-size-label);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 10;
}

.data-table td {
  padding: var(--space-16px) 20px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: var(--font-size-table);
  vertical-align: middle;
  transition: background-color var(--transition-speed);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.data-table tbody tr:hover td {
  background-color: var(--hover-color);
}

/* Table Pagination Toolbar */
.pagination-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-16px) var(--space-24px);
  border: 1px solid var(--border-color);
  border-top: none;
  background-color: #FFFFFF;
  border-bottom-left-radius: var(--border-radius-card);
  border-bottom-right-radius: var(--border-radius-card);
  font-size: var(--font-size-secondary);
  color: var(--text-secondary);
  flex-wrap: wrap;
  gap: var(--space-16px);
}

.pagination-buttons {
  display: flex;
  gap: 6px;
}

/* Status Badges (Rounded Pills) */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  font-size: var(--font-size-label);
  font-weight: var(--weight-semibold);
  border-radius: var(--border-radius-pill);
  border: 1px solid transparent;
  line-height: 1.4;
  white-space: nowrap;
}

.badge-success {
  background-color: var(--success-light);
  color: var(--success-color);
  border-color: rgba(22, 163, 74, 0.2);
}

.badge-danger {
  background-color: var(--danger-light);
  color: var(--danger-color);
  border-color: rgba(220, 38, 38, 0.2);
}

.badge-warning {
  background-color: var(--warning-light);
  color: var(--warning-hover);
  border-color: rgba(245, 158, 11, 0.25);
}

.badge-pending {
  background-color: var(--primary-light);
  color: var(--primary-color);
  border-color: rgba(37, 99, 235, 0.2);
}

/* --------------------------------------------------------------------------
   8. DRAG & DROP UPLOAD ZONE & PROGRESS
   -------------------------------------------------------------------------- */
.drop-zone {
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius-card);
  padding: var(--space-40px) var(--space-24px);
  text-align: center;
  background-color: #FAFAFA;
  cursor: pointer;
  transition: border-color var(--transition-speed) var(--transition-ease), background-color var(--transition-speed) var(--transition-ease);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--primary-color);
  background-color: var(--primary-light);
}

.drop-zone-icon {
  color: var(--text-tertiary);
  margin-bottom: 4px;
  transition: color var(--transition-speed), transform var(--transition-speed);
}

.drop-zone:hover .drop-zone-icon, .drop-zone.dragover .drop-zone-icon {
  color: var(--primary-color);
  transform: translateY(-2px);
}

.drop-zone-text {
  font-weight: var(--weight-semibold);
  font-size: var(--font-size-body);
  color: var(--text-primary);
}

.drop-zone-subtext {
  font-size: var(--font-size-secondary);
  color: var(--text-secondary);
}

.file-input-hidden {
  display: none;
}

.upload-file-details {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 14px var(--space-16px);
  background-color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-16px);
  gap: var(--space-16px);
  box-shadow: var(--shadow-subtle);
}

.file-info-col {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.file-icon {
  color: var(--danger-color);
  flex-shrink: 0;
}

.file-name {
  font-weight: var(--weight-medium);
  font-size: var(--font-size-secondary);
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-size {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

/* Progress Bar Component */
.progress-container {
  margin-top: var(--space-16px);
}

.progress-bar-wrapper {
  height: 6px;
  background-color: var(--border-color);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  width: 0%;
  background-color: var(--primary-color);
  border-radius: 3px;
  transition: width 150ms linear;
}

.progress-label-row {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  margin-top: 6px;
  font-weight: var(--weight-medium);
}

/* --------------------------------------------------------------------------
   9. HR REVIEW SPLIT CONSOLE
   -------------------------------------------------------------------------- */
.review-console {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: var(--space-24px);
  height: calc(100vh - var(--topbar-height) - var(--space-64px));
  min-height: 540px;
}

@media (max-width: 1024px) {
  .review-console {
    grid-template-columns: 1fr;
    height: auto;
  }
}

.preview-pane {
  background-color: #1E293B;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  min-height: 480px;
  box-shadow: var(--shadow-card);
}

.preview-header {
  height: 48px;
  background-color: #0F172A;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-16px);
  color: #FFFFFF;
  border-bottom: 1px solid #334155;
}

.preview-title {
  font-size: var(--font-size-secondary);
  font-weight: var(--weight-medium);
  display: flex;
  align-items: center;
  gap: 8px;
}

.preview-iframe {
  flex-grow: 1;
  border: none;
  width: 100%;
  height: 100%;
  background-color: #FFFFFF;
}

.review-details-pane {
  background: var(--card-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-card);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.review-details-scroll {
  flex-grow: 1;
  overflow-y: auto;
  padding: var(--space-24px);
}

.review-header-section {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--space-16px);
  margin-bottom: 20px;
}

.review-title-text {
  font-size: var(--font-size-section);
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.3;
}

.meta-info-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-16px);
  margin-bottom: 20px;
}

.meta-info-item {
  display: flex;
  flex-direction: column;
}

.meta-label {
  font-size: var(--font-size-label);
  color: var(--text-secondary);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.meta-value {
  font-size: var(--font-size-secondary);
  color: var(--text-primary);
  font-weight: var(--weight-medium);
}

.review-actions-bar {
  border-top: 1px solid var(--border-color);
  padding: var(--space-16px) var(--space-24px);
  background-color: #F9FAFB;
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   10. TIMELINE & ACTIVITY LOG FEEDS
   -------------------------------------------------------------------------- */
.timeline {
  position: relative;
  padding-left: 20px;
  margin-top: 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 3px;
  bottom: 8px;
  width: 2px;
  background-color: var(--border-color);
  z-index: 1;
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-16px);
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-icon-dot {
  position: absolute;
  left: -21px;
  top: 5px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--text-tertiary);
  border: 2px solid #FFFFFF;
  box-shadow: 0 0 0 1px var(--border-color);
  z-index: 2;
  box-sizing: content-box;
}

.timeline-item.approved .timeline-icon-dot { background-color: var(--success-color); box-shadow: 0 0 0 1px var(--success-color); }
.timeline-item.rejected .timeline-icon-dot { background-color: var(--danger-color); box-shadow: 0 0 0 1px var(--danger-color); }
.timeline-item.changes .timeline-icon-dot { background-color: var(--warning-color); box-shadow: 0 0 0 1px var(--warning-color); }
.timeline-item.submission .timeline-icon-dot { background-color: var(--primary-color); box-shadow: 0 0 0 1px var(--primary-color); }

.timeline-content {
  background: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 12px var(--space-16px);
}

.timeline-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.timeline-actor {
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
}

.timeline-text {
  font-size: var(--font-size-secondary);
  color: var(--text-primary);
}

/* Activity Feed (Full Page Timeline) */
.activity-feed-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-16px);
}

.activity-feed-item {
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-card);
  padding: var(--space-16px) 20px;
  display: flex;
  align-items: flex-start;
  gap: var(--space-16px);
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition-speed);
}

.activity-feed-item:hover {
  border-color: var(--border-hover);
}

.activity-icon-container {
  width: 38px;
  height: 38px;
  border-radius: var(--border-radius-md);
  background-color: var(--hover-color);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.activity-icon-container.submission { background-color: var(--primary-light); color: var(--primary-color); }
.activity-icon-container.approval { background-color: var(--success-light); color: var(--success-color); }
.activity-icon-container.rejection { background-color: var(--danger-light); color: var(--danger-color); }
.activity-icon-container.changes { background-color: var(--warning-light); color: var(--warning-hover); }

.activity-body {
  flex-grow: 1;
}

.activity-title {
  font-weight: var(--weight-semibold);
  font-size: var(--font-size-secondary);
  color: var(--text-primary);
}

.activity-desc {
  font-size: var(--font-size-secondary);
  color: var(--text-secondary);
  margin-top: 2px;
}

.activity-meta {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  margin-top: 6px;
  display: flex;
  gap: var(--space-16px);
}

/* --------------------------------------------------------------------------
   11. COMMENTS COMPONENT
   -------------------------------------------------------------------------- */
.comments-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: var(--space-16px);
}

.comment-bubble {
  background-color: #F9FAFB;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 12px var(--space-16px);
}

.comment-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.comment-author {
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
}

.comment-body {
  font-size: var(--font-size-secondary);
  color: var(--text-primary);
  white-space: pre-wrap;
}

.comment-form-group {
  margin-top: var(--space-16px);
}

.comment-textarea {
  min-height: 84px;
  resize: vertical;
}

/* --------------------------------------------------------------------------
   12. FORM ELEMENTS, INPUTS & BUTTONS
   -------------------------------------------------------------------------- */
.form-group {
  margin-bottom: var(--space-16px);
}

.form-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.form-label {
  display: block;
  font-size: var(--font-size-label);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-secondary);
  background-color: #FFFFFF;
  color: var(--text-primary);
  transition: border-color var(--transition-speed) var(--transition-ease), box-shadow var(--transition-speed) var(--transition-ease);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.form-input::placeholder {
  color: var(--text-tertiary);
}

.form-input:disabled {
  background-color: var(--hover-color);
  color: var(--text-secondary);
  cursor: not-allowed;
}

.input-invalid {
  border-color: var(--danger-color) !important;
}

.input-invalid:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.2) !important;
}

.error-feedback {
  display: block;
  color: var(--danger-color);
  font-size: var(--font-size-xs);
  margin-top: 4px;
  min-height: 16px;
  font-weight: var(--weight-medium);
}

/* Password Input Toggle */
.password-input-wrapper {
  position: relative;
}

.password-input-wrapper .form-input {
  padding-right: 42px;
}

.toggle-password {
  position: absolute;
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  border-radius: var(--border-radius-sm);
  transition: color var(--transition-speed);
}

.toggle-password:hover {
  color: var(--text-primary);
}

/* Checkbox Controls */
.form-row-checkbox {
  margin: var(--space-16px) 0;
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8px);
  font-size: var(--font-size-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.form-checkbox {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  accent-color: var(--primary-color);
  cursor: pointer;
}

.forgot-link {
  font-size: var(--font-size-xs);
  font-weight: var(--weight-medium);
  color: var(--primary-color);
}

/* Enterprise Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8px);
  padding: 9px var(--space-16px);
  font-size: var(--font-size-secondary);
  font-weight: var(--weight-semibold);
  border-radius: var(--border-radius-md);
  transition: background-color var(--transition-speed) var(--transition-ease), border-color var(--transition-speed) var(--transition-ease), box-shadow var(--transition-speed) var(--transition-ease), transform 100ms;
  border: 1px solid transparent;
  white-space: nowrap;
  user-select: none;
}

.btn:active:not(:disabled) {
  transform: scale(0.98);
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--text-on-primary);
}
.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-hover);
}

.btn-success {
  background-color: var(--success-color);
  color: var(--text-on-primary);
}
.btn-success:hover:not(:disabled) {
  background-color: var(--success-hover);
}

.btn-danger {
  background-color: var(--danger-color);
  color: var(--text-on-primary);
}
.btn-danger:hover:not(:disabled) {
  background-color: var(--danger-hover);
}

.btn-warning {
  background-color: var(--warning-color);
  color: var(--text-on-primary);
}
.btn-warning:hover:not(:disabled) {
  background-color: var(--warning-hover);
}

.btn-secondary {
  background-color: #FFFFFF;
  border-color: var(--border-color);
  color: var(--text-primary);
}
.btn-secondary:hover:not(:disabled) {
  background-color: var(--hover-color);
  border-color: var(--border-hover);
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* --------------------------------------------------------------------------
   13. NOTIFICATION ALERTS & MODALS
   -------------------------------------------------------------------------- */
.notifications-area {
  margin-bottom: var(--space-24px);
}

.alert {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px var(--space-16px);
  border-radius: var(--border-radius-md);
  border: 1px solid transparent;
  margin-bottom: var(--space-8px);
  font-size: var(--font-size-secondary);
  box-shadow: var(--shadow-subtle);
}

.alert-icon {
  flex-shrink: 0;
  margin-top: 1px;
}

.alert-text {
  flex-grow: 1;
  font-weight: var(--weight-medium);
}

.alert-close {
  flex-shrink: 0;
  font-size: var(--font-size-card);
  line-height: 1;
  color: inherit;
  opacity: 0.7;
  padding: 2px;
  border-radius: 4px;
}

.alert-close:hover {
  opacity: 1;
  background-color: rgba(0, 0, 0, 0.05);
}

.alert-success {
  background-color: var(--success-light);
  border-color: rgba(22, 163, 74, 0.2);
  color: var(--success-color);
}

.alert-danger {
  background-color: var(--danger-light);
  border-color: rgba(220, 38, 38, 0.2);
  color: var(--danger-color);
}

.alert-warning {
  background-color: var(--warning-light);
  border-color: rgba(245, 158, 11, 0.25);
  color: var(--warning-hover);
}

/* Modal Dialog Controls */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(17, 24, 39, 0.5);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: var(--space-24px);
}

.modal-card {
  background: var(--card-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-card);
  max-width: 500px;
  width: 100%;
  box-shadow: var(--shadow-modal);
  overflow: hidden;
}

.modal-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-16px) var(--space-24px);
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: var(--font-size-card);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
}

.modal-close {
  color: var(--text-secondary);
  padding: 4px;
  border-radius: var(--border-radius-sm);
}

.modal-close:hover {
  color: var(--text-primary);
  background-color: var(--hover-color);
}

.modal-content {
  padding: var(--space-24px);
}

.modal-actions {
  padding: var(--space-16px) var(--space-24px);
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  background-color: #F9FAFB;
}

/* --------------------------------------------------------------------------
   14. PROFILE & USER SETTINGS LAYOUT
   -------------------------------------------------------------------------- */
.profile-card-layout {
  display: grid;
  grid-template-columns: 1fr 2.2fr;
  gap: var(--space-24px);
  align-items: start;
}

@media (max-width: 768px) {
  .profile-card-layout {
    grid-template-columns: 1fr;
  }
}

.avatar-upload-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-32px);
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-card);
  box-shadow: var(--shadow-card);
}

.profile-large-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--border-color);
  margin-bottom: var(--space-16px);
}

.profile-large-fallback {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background-color: var(--primary-light);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--weight-bold);
  font-size: var(--font-size-title);
  border: 3px solid var(--border-color);
  margin-bottom: var(--space-16px);
}

/* --------------------------------------------------------------------------
   15. RESPONSIVE BREAKPOINTS
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .topbar {
    padding: 0 var(--space-24px);
  }

  .page-content {
    padding: var(--space-24px);
  }

  .topbar-center {
    display: none;
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .sidebar-backdrop.open {
    display: block;
    opacity: 1;
  }
  
  .drawer-close {
    display: block;
  }
  
  .main-shell {
    margin-left: 0;
  }
  
  .drawer-toggle {
    display: block;
  }

  .topbar {
    padding: 0 var(--space-16px);
  }

  .page-content {
    padding: var(--space-16px);
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .table-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .search-input-wrapper {
    max-width: 100%;
  }

  .meta-info-list {
    grid-template-columns: 1fr;
  }

  .topbar-date {
    display: none;
  }
}